/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.consensus.iot.client;

import org.apache.commons.pool2.KeyedObjectPool;
import org.apache.commons.pool2.impl.GenericKeyedObjectPool;
import org.apache.iotdb.common.rpc.thrift.TEndPoint;
import org.apache.iotdb.commons.client.ClientFactoryProperty;
import org.apache.iotdb.commons.client.ClientManager;
import org.apache.iotdb.commons.client.ClientPoolProperty;
import org.apache.iotdb.commons.client.IClientPoolFactory;
import org.apache.iotdb.consensus.config.IoTConsensusConfig;

public class IoTConsensusClientPool {

    private IoTConsensusClientPool() {
    }

    public static class SyncIoTConsensusServiceClientPoolFactory
            implements IClientPoolFactory<TEndPoint, SyncIoTConsensusServiceClient> {

        private final IoTConsensusConfig config;

        public SyncIoTConsensusServiceClientPoolFactory(IoTConsensusConfig config) {
            this.config = config;
        }

        @Override
        public KeyedObjectPool<TEndPoint, SyncIoTConsensusServiceClient> createClientPool(
                ClientManager<TEndPoint, SyncIoTConsensusServiceClient> manager) {
            return new GenericKeyedObjectPool<>(
                    new SyncIoTConsensusServiceClient.Factory(
                            manager,
                            new ClientFactoryProperty.Builder()
                                    .setConnectionTimeoutMs(config.getRpc().getConnectionTimeoutInMs())
                                    .setRpcThriftCompressionEnabled(config.getRpc().isRpcThriftCompressionEnabled())
                                    .setSelectorNumOfAsyncClientManager(
                                            config.getRpc().getSelectorNumOfClientManager())
                                    .build()),
                    new ClientPoolProperty.Builder<SyncIoTConsensusServiceClient>().build().getConfig());
        }
    }

    public static class AsyncIoTConsensusServiceClientPoolFactory
            implements IClientPoolFactory<TEndPoint, AsyncIoTConsensusServiceClient> {

        private final IoTConsensusConfig config;
        private static final String IOT_CONSENSUS_CLIENT_POOL_THREAD_NAME = "IoTConsensusClientPool";

        public AsyncIoTConsensusServiceClientPoolFactory(IoTConsensusConfig config) {
            this.config = config;
        }

        @Override
        public KeyedObjectPool<TEndPoint, AsyncIoTConsensusServiceClient> createClientPool(
                ClientManager<TEndPoint, AsyncIoTConsensusServiceClient> manager) {
            return new GenericKeyedObjectPool<>(
                    new AsyncIoTConsensusServiceClient.Factory(
                            manager,
                            new ClientFactoryProperty.Builder()
                                    .setConnectionTimeoutMs(config.getRpc().getConnectionTimeoutInMs())
                                    .setRpcThriftCompressionEnabled(config.getRpc().isRpcThriftCompressionEnabled())
                                    .setSelectorNumOfAsyncClientManager(
                                            config.getRpc().getSelectorNumOfClientManager())
                                    .build(),
                            IOT_CONSENSUS_CLIENT_POOL_THREAD_NAME),
                    new ClientPoolProperty.Builder<AsyncIoTConsensusServiceClient>()
                            .setMaxIdleClientForEachNode(config.getRpc().getMaxConnectionForInternalService())
                            .setMaxTotalClientForEachNode(config.getRpc().getMaxConnectionForInternalService())
                            .build()
                            .getConfig());
        }
    }
}
